Individual skill

restore-credentials

Provides knowledge and workflows to implement Android's Restore Credentials feature using the androidx.credentials library. Use this skill to create, sign in with, and delete restore keys, enabling silent user sign-in on new devices after a restore. It covers version compatibility, dependencies, server-side prerequisites, and the complete client-side implementation for creating, retrieving, and clearing restore keys.

identity/restore-credentials/SKILL.md

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Last checked: Nov 3, 2026

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Repository stars (not skill ratings): 10,401
Repository last updated: Nov 5, 2026
License: Apache-2.0

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SKILL.mdcore · 25,330 bytes
SKILL.mdcore · 25,330 bytes
references/android/guide/topics/manifest/application-element.mddoc · 43,070 bytes
references/android/identity/passkeys/create-passkeys.mddoc · 19,472 bytes
references/android/identity/passkeys/sign-in-with-passkeys.mddoc · 11,571 bytes

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## Fundamentals

The objective is to implement the **Restore Credentials** feature through the
Android Credential Manager API (`androidx.credentials`). This allows apps that
use or are integrating Credential Manager to silently log users back in when
they restore their app on a new device. Restore Credentials operates
independently of the app's primary authentication method (passwords, passkeys,
federated sign-in) and requires no UI changes to existing sign-in flows.

### Scope

**Crucial:** This skill focuses exclusively on the Android client-side
integration. It does **not** implement the server-side cryptographic
validation logic. The developer must be reminded of this and the